Improvisation is a weird word because we often think it means that you make things up out of whole cloth right there on the spot, and that's rarely the case in acting. You have to know who the character is, what the situation is and what is needed.
Roger EbertYou slide down in your seat and make yourself comfortable. On the screen in front of you, the movie image appearsโenormous and overwhelming. If the movie is a good one, you allow yourself to be absorbed in its fantasy, and its dreams become part of your memories
Roger EbertThere are two things you can't argue in film: comedy and eroticism. If something doesn't make you laugh, no one can tell you why it's funny, and it's difficult to reason someone out of an erection.
Roger Ebert